Air guitar seems to strike a nerve with so many people. Because air guitar plays with concepts like virtuosity, realness, masculinity, irony, sincerity, and musicianship, it seems to invite contests over meaning and values. With that in mind, here are some Youtube comments from this video:
Note: Many of these people were sent to this page by Ke$ha, who tweeted about the video. This might explain, in part, why the comments appear so vitriolic.